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Sterling Chain Reactor Pro Canyon Sling

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    Whether you're equalizing an anchor or just clipping in while setting up a top rope, the Sterling Chain Reactor Pro Canyon Sling keeps you secure. Capable of withstanding 14 kN of force, this sling offers peace of mind when you're scampering around at the top of a single pitch.

    • Item #STE0052

    Tech Specs

    17.5 mm
    14 kN
    Recommended Use
    climbing, canyoneering
    Manufacturer Warranty

    Tech Specs

    What do you think about this product?


    >Rating: 5

    Years of use

    Familiarity:I've put it through the wringer

    I've been using these Chain Reactors for years while canyoneering, mine/cave exploring, and rock climbing. It's easy to use and I usually have 2 of them on my harness for ascending switching anchor points, or loaning out to the new guy.

    >Rating: 4


    Simple and effective! Makes anchoring in to set up TR fast and easy, which is ideal at the end of a route!

    >Rating: 5

    Awesome PAS

    As far as personal anchor systems go, this is one of the best. I have the pro and regular and both will keep you secure and are easy to use.

    >Rating: 4

    Pretty dang cool.

    Familiarity:I've used it several times

    I'm really attracted to the ease and convenience of a PAS for single pitch climbing, but I always have oogie-boogie feelings about girth-hitching ANY single strand around my harness hardpoints (and I'm not even talking just dyneema, which is a big-ol' no-go to girth hitch) with the intention of that strand solely supporting my weight. It's just not redundant, plain and simple (basket hitching is mo' betta'). Many of my oogie-boogie feels have been soothed by the design of the Chain Reactor PRO, as there are two (mostly) separate nylon loops that are used to girth hitch your hardpoints. The sling is a great length, and really not too bulky for the nylon-licious security it provides. If I'm gonna use a PAS that isn't one I've made out of accessory cord or by using the climbing rope itself, it's gonna be this one.

    >Rating: 4

    Great product

    Familiarity:I've used it several times

    Very light and durable. I have being using those for over 2 months now. I would totally buy it again.

    >Rating: 4

    Great PAS, but too bulky

    Great PAS, but too bulky

    >Rating: 5


    Familiarity:I've put it through the wringer

    I've used this extensively both clip into anchors on sport climbs and canyoneering. It has held up very well to a season of swimming and climbing. I like being able to adjust the length just by clipping, so I prefer this to just using a sling to clip into anchors (but both work. In case you're wondering, the difference between the Pro and the non-pro is the double loop for attaching your harness. I assume this gives added durability (but I haven't needed it yet).



    At cocuy Colombia


    I just peed my pants a little bit. WOAH!!

    >Rating: 4

    ...I think I got the right PAS...

    I'm not sure why I ordered this version and not the standard. The PRO version has doubled up nylon at the belay loop attachment point. When I ordered this, I possibly was thinking "Oh, double loops, one each for the lower and upper harness". What I found was that the belay loop tie in has 2 loops of webbing, but they are sewn together halfway up the loop. Also, the inner loop is longer, which makes it sit really odd when I hitch it to the belay loop. I have recently used other PAS, which is why I ordered it, but I'm confused about the product. Sterling says that its rated to handle three factor 2 falls, however, its only rated at 14kN. If I am sitting atop the anchor on a ledge and fall, shock loading the anchor, I calculate that will generate a force greater than 14kN. (if it were entirely static material, the force would be 22kN). Also, I'm guessing the doubled belay loop material absorbs more kinetic energy from the fall... but to what extent I don't know. I'm thinking the regular version would do just as well, and would result in less bulk on the belay loop. Overall, the quality of the PAS is good. The color is nice and bright. The length allows it to stretch around my waist (34") and clip to my front gear loop on the opposite side. The plus of this PAS over others is that it doesnt use spectra/dyneema. Those materials would pop if you took a dynamic fall on them, whereas this material will stretch some. I'm excited to see how I can start using this PAS to clean sport climbs and setup on multi-pitch.

    Regardless of what happens to the gear, you're going to be seriously injured or dead in a >14kN fall. You should never put yourself in a position where you're far above the anchor and risking a FF 2 fall on static gear. If there's no avoiding it, use the rope.

    haha spoken like a true climber who thinks he knows, military testing has shown that falls that exceed 12kN are likely to kill a human being. 14 kN only compensates for the degradation of the material over time. Ideally you will retire it long before it falls below 9kN which was the force required to break my dynamic rope. Falling in real life is something that normal people cant comprehend. Research the true definition of a fall factor and you will be surprised. even when you think you understand a fall factor, interpret it, and you realize that the way a cord lengthens is curvilinear. Ps. In reality there is no such thing as true static just less stretchy than stretchy.

    Joe, I ran the calculations and I think you're going to be okay. Considering tubular webbing has a dynamic elongation of roughly 5% and the entire length of this PAS is only about 1 meter, the largest fall from above the anchor you've clipped to is 1 meter. Therefore, for you to generate enough force to reach the rated maximum strength of 14 kN (typically derated by manufacturer for the human factor), you would have to weigh in at 220 kg (485 lbs) and the fall would have to be a straight drop with dead weight (i.e. no flailing arms and legs which actually absorb energy). In short... It's safe bro.

    Don't ever girth hitch to your belay loop. You should always girth hitch through both tie in points.

    >Rating: 5

    Great Canyoneering Piece

    I bought this exclusively for canyoneering. It is great as an anchor while reaching out to set up your next rappel and also works well for ascending. The neon green is super bright!

    >Rating: 5

    Extra safe

    Familiarity:I've put it through the wringer

    I don't really trust daisy chains but the PAS is 100times better and I never climb without one. For big wall stuff I use two during long belays in case I need to shift around on my ledge and for if I need to move any gear around on the anchors, it allows me to be in at all times. Way more redundant than a daisy.

    >Rating: 5

    Adjustable Safety at a great price

    I had a chance to return this but decided to keep it instead. It's a great personal tie in when on the edge working out your anchor and the price is great. My partner keeps preaching redundancy.. and if I'm not on rope, this is clipped off.


    Any of you have a preference between a...

    Any of you have a preference between a dyneema PAS vs A Nylon one? Some people complain that the Nylon stretches. I personally don't care about that because at 40 inches away from chains, the so-called "stretch" seems insignificant enough to really affect anything. Plus theese are a tad cheeper than the dyneema ones and seem just as good.

    I have only used Nylon and have noticed the stretch but do agree with you. I am a fan of the nylon and probably continue to use nylon unless someone makes me try something else. Not much but I hope this helps you make a decision!

    The nylon stretch makes it slightly more dynamic in the case of a fall. However... if you're falling onto a personal anchor you're doing something very wrong. For this reason the choice of material shouldn't really change day to day safety. Personally, I prefer dyneema since it's far lighter and more compact. The nylon stretch is a bit annoying but you just have to learn to account for it when shortening the personal anchor.


    What is the difference between this one...

    What is the difference between this one and the regular Chain Reactor Sling?

    From what I understand, the PRO version has a double layered nylon sling where it attaches to your harness. The regular version has only a single sling. I wish I had a close up picture. Other than that they are essentially the same.


    What is this for? I'm new to climbing and...

    What is this for? I'm new to climbing and I'm kinda confused on this product? Is it for quick clipping into anchors and your rope or what?

    This product is a safer alternative to daisy chains when you want to clip into an anchor at the top of a pitch or sport route. It is not for clipping into your rope. You always want to tie the rope directly into your harness and leg loops.

    Hi Ryan. You should never at any time be off anchor while anywhere on the face or edge of a climb. If your on the rope, your on anchor. But, at times, you will be building an anchor for your climb, getting to an anchor that your partner has set above to belay you up, and many other reasons that you might have to un-clip from your climbing rope. This is where this device comes in. It does the same thing a set size nylon harness or a piece of 7mm rope tied into a loop (sling or runner)could be used. The advantage of a chained unit like this is the speed in which you can clip it off to the length best suited to what you need. A secondary use could be for tying in protection at your anchor point if you don't have enough slings, etc. Hope this helps..PS> I'm a noobe too. This will be run through your harness just like your rope in most cases. I leave mine on and run the rope through right next to it. On a sport climb, if I'm soloing, Ill just pull the free end of my daisy and clip to some pro to rest. Get rested, un-clip and climb some more. Another PS.. don't solo until you can really climb. You have to have a lot of rope experience as well. You stand the chance of falling, swinging into injury's, or just plain getting stuck mid rope with no way up or down. You could hurt yourself or die quite easily.... just be careful and climb with a pro for awhile. Good luck and above all, have fun!